Analysis
- max time kernel
69s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
03/04/2023, 13:12
General
- Target aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe
- Size 728KB
- Sample230403-qfhfvaeh93
- SHA256 aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ifeanyi@12
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"C:\Users\Admin\AppData\Local\Temp\aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2.exe.log
memory/4020-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4020-153-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/4020-146-0x0000000006F80000-0x0000000007142000-memory.dmp
memory/4020-145-0x0000000006D60000-0x0000000006DB0000-memory.dmp
memory/4020-144-0x00000000052B0000-0x00000000052C0000-memory.dmp
memory/4020-143-0x00000000051F0000-0x0000000005256000-memory.dmp
memory/4952-136-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4952-139-0x0000000006FD0000-0x000000000706C000-memory.dmp
memory/4952-138-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/4952-137-0x0000000005330000-0x000000000533A000-memory.dmp
memory/4952-133-0x00000000008B0000-0x000000000096C000-memory.dmp
memory/4952-135-0x0000000005380000-0x0000000005412000-memory.dmp
memory/4952-134-0x0000000005930000-0x0000000005ED4000-memory.dmp